Home / 302,966.28-454,450.56-92,603.40

Finding the Fourth Proportional to 302,966.28, 454,450.56 and 92,603.40

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Solution

The fourth proportional to 302,966.28, 454,450.56 and 92,603.40 is: 138,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,966.28 : 454,450.56 = 92,603.40 : x
  2. Step 2: Convert to fraction form
    302,966.28/454,450.56 = 92,603.40/x
  3. Step 3: Cross multiply
    302,966.28x = 454,450.56 × 92,603.40
  4. Step 4: Simplify right side
    302,966.28x = 42,083,666,987.90
  5. Step 5: Solve for x
    x = 42,083,666,987.90/302,966.28
  6. Step 6: Final answer
    x = 138,905.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.